Base | Representation |
---|---|
bin | 110111001100… |
… | …0111111000110 |
3 | 2000110012201112 |
4 | 1232120333012 |
5 | 24402010212 |
6 | 2512125022 |
7 | 500653610 |
oct | 156307706 |
9 | 60405645 |
10 | 28938182 |
11 | 15375759 |
12 | 9836772 |
13 | 5cc28b0 |
14 | 3bb3db0 |
15 | 2819422 |
hex | 1b98fc6 |
28938182 has 64 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 10492416.
The previous prime is 28938179. The next prime is 28938211. The reversal of 28938182 is 28183982.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145319 + ... + 145517.
It is an arithmetic number, because the mean of its divisors is an integer number (907200).
Almost surely, 228938182 is an apocalyptic number.
28938182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
28938182 is a wasteful number, since it uses less digits than its factorization.
28938182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285.
The product of its digits is 55296, while the sum is 41.
The square root of 28938182 is about 5379.4220879199. The cubic root of 28938182 is about 307.0132232666.
The spelling of 28938182 in words is "twenty-eight million, nine hundred thirty-eight thousand, one hundred eighty-two".
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